問題詳情
47.有關過濾池濾料的敘述，下列何者錯誤？
(A)雙層濾料過濾池上層的濾料通常為無煙煤
(B)雙層濾料過濾池上層濾料的有效粒徑較小
(C)雙層濾料過濾池上層的濾料比重較小
(D)濾料有效粒徑為濾料篩分析得到累積百分率為 10％所對應的篩孔孔徑
(A)雙層濾料過濾池上層的濾料通常為無煙煤
(B)雙層濾料過濾池上層濾料的有效粒徑較小
(C)雙層濾料過濾池上層的濾料比重較小
(D)濾料有效粒徑為濾料篩分析得到累積百分率為 10％所對應的篩孔孔徑
參考答案
答案：B
難度：非常困難0
書單：沒有書單，新增
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